Car MPG Efficiency Modifications Main

You will find a list of more than 65 car modifications that you can do to improve your car efficiency and increase MPG. This is the main wiki page for the list and links to details about how to perform a modification and the efficiency improvement expected.

Visitors to this site that want to get better fuel efficiency should find many ways to decrease their fuel usage with independantly tested improvement results, tested by ecomodder users. Visitors that are interested in these modifications or have other ideas may find the ecomodder forums worthwhile as most of the data in this wiki has been generated by the forum users.

All ecomodder users are encouraged to modify the pages contained in these links with their own experiences, users must sign in to modify pages. For all mods please only list scientifically backed information and please provide supporting references with links. Efficiency improvement results should only be based on back to back tests under the same conditions. If there is no proven tested efficiency improvement listed ecomodders are welcome to estimate an efficiency improvement however please state that it is an estimate.

Any theoretical and untested mods please only include in the unproven mod section below.